Finding the Fourth Proportional to 313,279.99, 432,326.77 and 170,040.02
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Solution
The fourth proportional to 313,279.99, 432,326.77 and 170,040.02 is: 234,655.43
Step by Step Solution
- Step 1: Write the proportion equation
313,279.99 : 432,326.77 = 170,040.02 : x - Step 2: Convert to fraction form
313,279.99/432,326.77 = 170,040.02/x - Step 3: Cross multiply
313,279.99x = 432,326.77 × 170,040.02 - Step 4: Simplify right side
313,279.99x = 73,512,850,030.60 - Step 5: Solve for x
x = 73,512,850,030.60/313,279.99 - Step 6: Final answer
x = 234,655.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.